Finding the Fourth Proportional to 262,813.06, 394,247.07 and 120,634.06
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Solution
The fourth proportional to 262,813.06, 394,247.07 and 120,634.06 is: 180,963.70
Step by Step Solution
- Step 1: Write the proportion equation
262,813.06 : 394,247.07 = 120,634.06 : x - Step 2: Convert to fraction form
262,813.06/394,247.07 = 120,634.06/x - Step 3: Cross multiply
262,813.06x = 394,247.07 × 120,634.06 - Step 4: Simplify right side
262,813.06x = 47,559,624,697.20 - Step 5: Solve for x
x = 47,559,624,697.20/262,813.06 - Step 6: Final answer
x = 180,963.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.